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| Number | Title | Issue Date |
| 4457476 | Wingless aircraft A wingless aircraft that has a generally truncated cone fuselage that has a cockpit in the upper thereof in which the pilot sits, and a transparent rigid dome mounted on the upper portion of the fuselage that extends over the pilot. A number of equally sp... | 07/03/1984 |
| 4455962 | Spherical underwater vehicle A spherical vehicle for operation in a fluid medium utilizes an actuator disk or propeller of approximately half the diameter of the sphere for propulsion. In addition to providing the energy for driving the sphere, the actuator disk acts to draw the flow... | 06/26/1984 |
| 4452410 | In-line gyro type aircraft An aircraft containing aerodynamic and gyroscopic stability that has a high angle of take-off and landing capabilities, with high speed horizontal powered flight, but is also able to sustain power-off flight with auto-rotation of its multiple extending ai... | 06/05/1984 |
| 4387867 | Flying craft A flying craft has a supporting element with an opening in it. A driving unit with a propeller drives air downwardly through the opening. Vanes mounted on the driving unit break up the circular component of the air velocity and also counteract the torque ... | 06/14/1983 |
| 4386748 | Aircraft with counterrotating members A rotationally symmetrical supporting member provides lift in response to movement of air over its upper surface, and such air movement is produced by the impeller of a coaxially arranged drive unit, the base of which is connected to the supporting member... | 06/07/1983 |
| 4370824 | Aerial device An aerial device in the form of a disc which can be "sailed" in the air by throwing it in a manner to impart rotation to the disc. Vanes, holes and/or conduits are provided in the disc to force air from the top side or perimeter or other location to the u... | 02/01/1983 |
| 4326681 | Non-rigid airship A lighter-than-air saucer or disc-shaped non-rigid airship is disclosed. A saucer-shaped flexible envelope is provided within which an annular pressurized tube is positioned so as to maintain the flexible envelope in a saucer shape when inflated. Walls wi... | 04/27/1982 |
| 4312483 | Aircraft with circular wing An aircraft is provided with a circular wing member which is rotatably mounted to a fuselage member. The circular wing member provides lift for horizontal flight and also provides gyroscopic stabilization of aircraft attitude. The circular wing member is ... | 01/26/1982 |
| 4307856 | Annular wing An annular wing particularly suited for use in supporting in flight an aircraft characterized by the absence of directional stabilizing surfaces. The wing comprises a rigid annular body of a substantially uniformly symmetrical configuration characterized ... | 12/29/1981 |
| 4273302 | Aircraft with counterrotating members A rotationally symmetrical supporting member provides lift in response to movement of air over its upper surface, and such air movement is produced by the impeller of a coaxially arranged drive unit, the base of which is connected to the supporting member... | 06/16/1981 |
| 4215832 | Inverted cone aircraft An aircraft is disclosed which includes a body having the shape of an inverted cone with a downwardly extending rim formed about the edge thereof and a triangularly shaped tail section. The aircraft can be constructed as a glider or a powered device and s... | 08/05/1980 |
| 4214720 | Flying disc A flying disc capable of vertical takeoff, hovering, or powered horizontal flight. The disc includes a discoidal wing that is circular and includes a convex surface on an upper side and a concave lower surface. The wing also includes an inward leading edg... | 07/29/1980 |
| 4208025 | Rotary wing aircraft An aircraft rotary wing aerofoil assembly comprising a generally planar annular frame supporting radially inner and outer sets of aerofoil blades, each set being disposed to form an annulus and supported on the frame for rotation about a common axis, and ... | 06/17/1980 |
| 4196877 | Aircraft An aircraft comprising a generally annular wing structure surrounding a circular central structure to form an annular air duct, a pair of fuselages extending longitudinally at opposite sides of the aircraft, and rotor blades extending radially across the ... | 04/08/1980 |
| 4193568 | Disc-type airborne vehicle and radial flow gas turbine engine used therein An annular, radial flow gas turbine engine and airborne vehicle utilizing same for jet propulsion. The engine comprises counter-rotating rotors and a compressor section with counter-rotating annular rows of intermeshing compressor blades, an annular combu... | 03/18/1980 |
| 4165848 | Rotary thrust device including axially elongated rotor rotatable in casting having elongated fluid intake and discharge slots A fluid flow device comprises a rotor housed in a casing having slot-like intake and outlet openings. Groups of such devices can be used to form an aircraft propulsion system by drawing-in air from above through the intake openings and forcing the air dow... | 08/28/1979 |
| 4117992 | Vertical lift device A vertical lift device comprised of a generally vertically disposed cylindrical tunnel, open at the top and bottom ends, with a driven propeller axially mounted at the open top end to direct a stream of air downwardly through the tunnel. A first portion o... | 10/03/1978 |
| 4050652 | Gyro foil A flying vehicle in the form of a fixed structure fitted with propulsion engines and in the form of a fixed wing and tail section mounted to a pair of counter-rotatable discs, one below and one above the fixed structure, with the discs when rotating provi... | 09/27/1977 |
| 4049218 | Vertical take off and landing aircraft A method and apparatus to improve the performance of a Vertical Take Off and Landing (VTOL) aircraft having increased safety, efficiency and maneuverability is described. The utilization of an airbooster to achieve optimum air speed of jetted air, have ma... | 09/20/1977 |
| 4032084 | Helicopter type aircraft with ground effect structure The aircraft in the nature of a helicopter is movable in a vertical direction when being raised from the ground or landing thereon. The body of the aircraft is toroidal in form, that is to say, the shape of a doughnut having a central aperture. The centra... | 06/28/1977 |
| 4023751 | Flying ship A flying ship is disclosed which comprises a hollow, saucer-shaped body having a convex upper surface surmounted at its center portion by a dome-shaped transparent canopy covering a passenger compartment, and a bottom including a generally concave major b... | 05/17/1977 |
| 4014483 | Lighter-than-air craft A lighter-than-air craft having a discus shape. A passenger compartment is located at the top center of the craft and a payload pod at the bottom center beneath the passenger compartment. The pod connects to the passenger compartment by a passageway which... | 03/29/1977 |
| 3997131 | Rotor means for an aircraft A rotor arrangement for an aircraft comprising two coaxially counter-rotatable rotators, each rotor being journaled freely rotatable about an imaginary axis of rotation common to both rotors on or through a fuselage part or a support member, each fuselage... | 12/14/1976 |
| 3946970 | Gyroscopically stabilized, vertical takeoff and landing aircraft An aircraft in which a concavo-convex disc carries a hub at its center. An engine carried by the hub provides vertical lift for the aircraft. The aircraft is stabilized by the rotation of the disc relative to the hub. This rotation is induced by a plurali... | 03/30/1976 |
| 3933325 | Disc-shaped aerospacecraft An aerospacecraft possessing a discus shaped body equipped with at least one disc type air screw driven by a turbine by the exhaust gases of a jet engine. The disc type air screw is equipped with variable pitch blades and works in the manner of a helicopt... | 01/20/1976 |
